SchoolsMacroConceptsSchoolsPolicyModels
Macroeconomic school

Modern Monetary Theory

Modern Monetary Theory frames fiscal capacity around real resources, inflation pressure, and monetary sovereignty.

Heterodox branch

School thesis

Modern Monetary Theory starts from monetary sovereignty and sectoral balances. Its serious claim is that real resources, inflation, external pressure, and political capacity bind before revenue-first budget arithmetic.

Modern Monetary Theory begins from monetary operations: a currency-issuing government finances spending differently from a household, firm, or currency user.

The fiscal debate then turns on real resource limits, inflation pressure, imports, and credibility rather than the state's capacity to obtain its own currency.

Use when

The binding channel is visible

Currency sovereignty, sectoral balances, central-bank and treasury operations, unused capacity, job guarantees, and inflation as the real constraint on fiscal expansion.

Evidence burden

Show timing and measurement

Countries issuing debt in their own currency face a different financing constraint than currency users, especially where floating exchange rates and domestic monetary institutions are credible.

Rival check

Name the stronger alternative

A currency issuer with idle capacity losing fiscal space primarily because of nominal financing limits rather than inflation, imports, or credibility.

Mechanism chain

From claim to policy rule

Claim

Binding constraint

The state spends first, taxes later, and the relevant macro constraint is resource pressure and inflation.

Mechanism

Transmission

Sovereign currency issuance, sectoral balances, and institutional monetary operations shape fiscal capacity more directly than revenue-first analogies suggest.

Policy read

Policy implication

Judge fiscal space by inflation risk and unused capacity rather than by whether a sovereign deficit 'looks affordable' in household terms.

Mechanism

Required conditions

The claim needs each step in the data; a missing link weakens the whole interpretation.

Operations

Currency issuers differ from currency users

A sovereign issuer of a floating fiat currency faces different constraints than a household, firm, state government, or euro-area member.

Balances

One sector's deficit is another sector's surplus

Public, private, and external balances must add up. Deficits can supply private net financial assets.

Limit

Inflation is the binding test

Spending becomes dangerous when it exceeds real capacity, hits import or bottleneck limits, or undermines credibility.

Reads the economy through

currency sovereignty / sectoral balances / real constraints / inflation limit

Lineage

Lineage and inheritance

Historical moves show which problem the tradition was built to solve and which claim it keeps defending.

Chartalism

State money tradition

MMT inherits the view that tax obligations and state authority help give money value.

Functional finance

Judge policy by outcomes

The policy target is employment, price stability, and resource use rather than a household-style balanced budget.

Modern debate

Fiscal capacity under sovereignty

The live dispute is inflation control, external constraint, political feasibility, and how broadly sovereignty claims travel.